def clear_tpm_if_owned(self):
"""Clear the TPM only if device is already owned."""
tpm_status = tpm_utils.TPMStatus(self._host)
logging.info('TPM status: %s', tpm_status)
if tpm_status['Owned']:
logging.info('Clearing TPM because this device is owned.')
tpm_utils.ClearTPMOwnerRequest(self._host)
def run_once(self, host):
"""Clear the tpm owner, reboot the EC, and check the device boots"""
tpm_utils.ClearTPMOwnerRequest(host)
logging.info(tpm_utils.TPMStatus(host))
self.servo.get_power_state_controller().reset()
end_time = time.time() + self.TIMEOUT
while utils.ping(host.ip, deadline=5, tries=1):
if time.time() > end_time:
self.ec.reboot()
raise error.TestFail('DUT failed to boot')
logging.info('DUT is still down (no response to ping)')
logging.info('DUT is up')
self.check_state((self.checkers.crossystem_checker, {
'mainfw_type': 'normal'
}))
def run_once(self, host=None):
self.client = host
# Skip the test if the TPM is unavailable.
tpm_status = tpm_utils.TPMStatus(self.client)
if 'Enabled' not in tpm_status:
raise error.TestError('Error obtaining TPM enabled state. Status '
'returned by cryptohome: ' + str(tpm_status))
if not tpm_status['Enabled']:
raise error.TestNAError("TPM is not enabled")
# Clear the TPM, so that the client test is able to obtain the TPM owner
# password.
tpm_utils.ClearTPMOwnerRequest(self.client, wait_for_ready=True)
# Run the client test which executes the Cr50VirtualNVRam test.
autotest.Autotest(self.client).run_test('firmware_Cr50VirtualNVRam',
check_client_result=True)
# Clean the TPM up, so that the TPM state set by the firmware
# tests doesn't affect subsequent tests.
tpm_utils.ClearTPMOwnerRequest(self.client)
def run_once(self, host=None):
self.client = host
# Skip the test if the TPM is unavailable.
tpm_status = tpm_utils.TPMStatus(self.client)
if 'Enabled' not in tpm_status:
raise error.TestError('Error obtaining TPM enabled state. Status '
'returned by cryptohome: ' + str(tpm_status))
if not tpm_status['Enabled']:
return
# Clear the TPM, so that the client test is able to obtain the TPM owner
# password.
tpm_utils.ClearTPMOwnerRequest(self.client, wait_for_ready=True)
# Run the client test which executes the cryptohome's TPM live test.
autotest.Autotest(self.client).run_test(
'platform_CryptohomeTpmLiveTest', check_client_result=True)
# Clean the TPM up, so that the TPM state clobbered by the TPM live
# tests doesn't affect subsequent tests.
tpm_utils.ClearTPMOwnerRequest(self.client)